ZIP Code Tabulation Area

94404

San Mateo, CA · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
35,881
Median household income
$192,332
People below poverty
4.3%
Median home value
$1,714,400

Income

The median income of households in 94404 was $192,332. An estimated 1.7% of households had income below $10,000 a year and 48.4% had income of $200,000 or more.

Household Income in 94404 in 2020-2024

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Percent
Less than $10,000 1.7
$10,000 to $14,999 1.9
$15,000 to $24,999 2.2
$25,000 to $34,999 1.9
$35,000 to $49,999 4.7
$50,000 to $74,999 7
$75,000 to $99,999 6.3
$100,000 to $149,999 14.1
$150,000 to $199,999 11.8
$200,000 or more 48.4

Median Earnings for Full-Time Year-Round Workers by Sex in 94404 in 2020-2024

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Dollars
Male 165634
Female 137537

An estimated 81.8% of households received earnings. An estimated 23.5% of households received Social Security and an estimated 21.1 % of households received retirement income other than Social Security. The average income from Social Security was $31,285. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in 94404 in 2020-2024

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Percent
Earnings 81.8
Social Security 23.5
Retirement income 21.1
Supplemental Security Income (SSI) 2.3
Cash public assistance income 1.6

Poverty and Participation in Government Programs

In 2020-2024, 4.3 % of people were in poverty. An estimated 1.8% of children under 18 were below the poverty level, compared with 8.3% of people 65 years old and over. An estimated 3.9% of people 18 to 64 years were below the poverty level.

Poverty Rates in 94404 in 2020-2024

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Percent
People in poverty 4.3
Children under 18 years below poverty 1.8
People 65 years old and over below poverty 8.3
People 18 to 64 years below poverty 3.9

In 2020-2024, 1.3 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 9.6% of households that received SNAP had children under 18, and 88.8% of households that received SNAP had one or more people 60 years and over. An estimated 24.6% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in 94404 in 2020-2024, 97.8% had health insurance coverage and 2.2% did not have health insurance coverage. Private coverage was 86.8% and public coverage was 21.8%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 1.6%.


In 2020-2024, 94404 had a total population of 35,881 - 18,569 (51.8%) females and 17,312 (48.2%) males. The median age was 39.8 years. An estimated 21.3% of the population was under 18 years, 36% was 19 to 44 years, 23.7% was 45 to 64 years, and 17.8 % was 65 years and older.

Population by Age and Sex for 94404 in 2020-2024

Male Female
Under 5 1022 1323
5 to 9 1077 1005
10 to 14 1118 990
15 to 19 897 648
20 to 24 615 630
25 to 29 1016 1030
30 to 34 1363 1771
35 to 39 1836 1682
40 to 44 1648 1325
45 to 49 990 1198
50 to 54 1073 1201
55 to 59 987 1084
60 to 64 1041 938
65 to 69 589 790
70 to 74 608 749
75 to 79 456 807
80 to 84 582 689
85 and over 394 709

Hispanic Origin and Race

For people reporting one race alone, 31.5% were White; 2% were Black or African American; 2.8% were American Indian and Alaska Native; 52.6% were Asian; 0.6% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 10% reported Two or More Races. An estimated 7.4% of the people in 94404 were Hispanic or Latino. An estimated 30.3% of the people in 94404 were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 14,717 households in 94404. The average household size was 2.42 people.

Married-couple households made up 53.1% of the households in 94404 while cohabiting couple households made up 5.6% of households. Female householders with no spouse or partner present were 25.3% of all households, while 16.1% of households had male householders with no spouse or partner present. Some households had one person, as 11.3% of households were male householders living alone, and 15.6% were female householders living alone, for a total of 26.9% of all households.

In 94404, 32.6% of all households had one or more people under the age of 18; 29.5% of all households had one or more people 65 years and over.

Types of Households in 94404 in 2020-2024

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Percent
Married-couple households 53.1
Cohabiting Couples 5.6
Male Householder
No spouse/partner present
16.1
Female Householder
No spouse/partner present
25.3

Marital Status

Among persons 15 and older, 61.4% of males and 57.4% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 31.8 24.6
Now married, except separated 61.4 57.4
Separated 0.3 2.7
Widowed 2 8.7
Divorced 4.5 6.6

Grandparents and Grandchildren

In 94404, 640 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 16.3% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 52% of the people living in 94404 were U.S. natives. 35.9% of the 94404 population were living in the state where they were born.

Approximately 48% of 94404 residents in 2020-2024 were foreign-born. 50.4% of foreign-born were naturalized U.S. citizens and an estimated 57 % entered the country before the year 2010.

Foreign-born residents of 94404 come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for 94404.

Region of Birth for the Foreign-Born Population in 94404 in 2020-2024

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Percent
Latin America 7.6
Asia 79.4
Europe 9.1
Africa 2.3
Northern America 1.3
Oceania 0.3

Language

Among people at least five years old living in 94404 in 2020-2024, 53.2 % spoke a language other than English at home. Spanish was spoken by 4.4% of people at least five years old; 16.5% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in 94404 in 2020-2024

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Percent
Spanish 4.4
Other Indo-European languages 13.8
Asian and Pacific Islander languages 32
Other languages 2.9

Geographic Mobility

In 2020-2024, 82.2 % of the people at least one year old living in 94404 were living in the same house one year earlier.

Geographic Mobility of Residents of 94404 in 2020-2024

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Percent
Same house 82.2
Different house, same county 9.8
Different county, same state 3.7
Different state 2.3
Abroad 2

Education

In 2020-2024, 96.2 % of people 25 years and over had at least graduated from high school and 74.3% had a bachelor's degree or higher. An estimated 3.8% did not complete high school.

The total school enrollment in 94404 was 7,613 in 2020-2024. Nursery school enrollment was 712 and kindergarten through 12th grade enrollment was 5,280. College or graduate school enrollment was 1,621.

Educational Attainment of People in 94404 in 2020-2024

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Percent
Less than high school diploma 3.8
High school diploma or equivalency 7
Some college, no degree 9.7
Associate's degree 5.3
Bachelor's degree 33.8
Graduate or professional degree 40.4

Disability

In 94404, among the civilian noninstitutionalized population in 2020-2024, 8.7 % reported a disability. The likelihood of having a disability varied by age - from 2.4% of people under 18 years old, to 4% of people 18 to 64 years old, and to 32.6% of those 65 and over.


Employment Status and Type of Employer

In 94404, 64.3 % of the population 16 and over were employed; 32.4% were not currently in the labor force.

An estimated 86.6% of the people employed were private wage and salary workers; 6.7% were federal, state, or local government workers; and 6.3 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 16,153 86.6
Federal, state, or local government workers 1,257 6.7
Self-employed workers in own not incorporated business 1,176 6.3

Industries

In 2020-2024, the civilian employed population 16 years and older in 94404 worked in the following industries:

Percent by Industry in 94404 in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 0
Construction 2.8
Manufacturing 13
Wholesale trade 1.7
Retail trade 5.3
Transportation and warehousing, and utilities 4.6
Information 9.3
Finance and insurance, and real estate and rental and leasing 8.7
Professional, scientific, and management, and administrative and waste management services 30.4
Educational services, and health care and social assistance 15.4
Arts, entertainment, and recreation, and accommodation, and food services 3.6
Other Services, except public administration 3
Public administration 2.3

Occupations

Occupations for the Civilian Employed Population 16 Years and over in 94404 in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 14,043 75.3
Service occupations 1,183 6.3
Sales and office occupations 2,347 12.6
Natural resources, construction, and maintenance occupations 456 2.4
Production, transportation, and material moving occupations 618 3.3

Commuting to Work

An estimated 52.2% of 94404 workers drove to work alone in 2020-2024, and 7.2% carpooled. Among those who commuted to work, it took them on average 29 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in 94404 in 2020-2024

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Percent
Car, truck, van -- drove alone 52.2
Car, truck, van -- carpooled 7.2
Public transportation (excluding taxicab) 2.8
Walked 2
Other means 2
Worked from home 33.8

In 2020-2024, 94404 had a total of 15,350 housing units. Of these housing units, 52.2% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 47.6% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 0% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in 94404 in 2020-2024

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Percent
Single-family houses 52.2
Apartments in multi-unit structures 47.6
Mobile homes 0
Boat, RV, van, etc 0.2

8.3% of the housing inventory was comprised of houses built since 2010, while 0.9% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in 94404 was 4.5 rooms, and of these housing units 46.9% had three or more bedrooms.


In 2020-2024, 94404 had 14,717 housing units that were occupied or had people living in them, while the remaining 633 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 51.2% while renters occupied 48.8%. The average household size of owner-occupied houses was 2.49 and in renter-occupied houses it was 2.35.

7.2% of householders of these occupied houses had moved into their house since 2021, while 11.2% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 5.9% and another 13.6% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in 94404:

House Heating Fuel Used in 94404 in 2020-2024

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Percent
Gas 54.5
Electricity 43.8
Fuel oil, kerosene, etc 0
All other fuels 0.5
No fuel used 1.2

In 2020-2024, the median property value for owner-occupied houses in 94404 was $1,714,400.

Of the owner-occupied households, 66.5 % had a mortgage. 33.5% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $4,000+ and for owners without a mortgage it was $1,267.

For renter-occupied houses, the median gross rent for 94404 was $3,500+. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.